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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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Good pdf of the service manual for this unit. Includes disassembly instructions, full schematics, board layouts, parts lists and diagnostic information. Some information is in the pdf twice (single pages, and split pages), but that could be how it was originally generated by panasonic, or perhaps the idea is to make it eaiser to put onto 8.5 x 11" pages.
Information was exactly what I needed. Delivery was overnight (less than 12 hours) and I was happy with the process.
TROUBLE SHOOTING GUIDE
E-2. PREAMP IN THE PAYBACKMODE
Is signal from heads fed to pin1 and 3 of P401?
YES NO
Check the DRUM and DECK mechanism
Is ON/OFF5V from pin76 of IC301 supplied to pin131 of IC401 at 5V?
YES
NO
Check the ON/OFF 5V
Is REC(H) from pin79 of IC501 supplied to pin11 of IC401 at 0V?
YES
NO
Check Q503, Q504 and adjacent circuit
Is V.SW pulse from pin46 of IC501 supplied to pin4 of IC401?
YES
NO
Check SERVO/SYSCON
Is the signal from pin1 and 3 of P401 fed to pin17 or 19 of IC401?
YES
NO
Change IC401
Is the signal from pin7 of IC401 fed to C416?
YES
NO
Check Q401 and adjacent circuit
TO LUMINANCE SIGNAL IN THE REC MODE
NOTE : 1) REC(H) : "HIGH" in the REC mode. "LOW" in the EE and PB mode
19
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